Donald Lynn Schwenker, D.C

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

06652 Issued in IA

Practice address

619 S Main St
Maquoketa, IA 52060-3506

Phone

(563) 652-2700

Fax

(563) 652-2800

NPI assigned

Feb 1, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 5

Medicare fee-for-service enrollment

Enrolled in IA

Enrollment records 1

Specialty

Chiropractic

Education

Palmer College Chiropractic - West Sunnyvale, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Timber City Chiropractic Inc

  • Chiropractor
  • Maquoketa, IA
  • NPI 1255523668
  Medicare reassignment NPD Authorized official

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1138752000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1437120870",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "619 S MAIN ST",
            "city": "MAQUOKETA",
            "state": "IA",
            "postal_code": "520603506",
            "telephone_number": "563-652-2700",
            "fax_number": "563-652-2800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "619 S MAIN ST",
            "city": "MAQUOKETA",
            "state": "IA",
            "postal_code": "520603506",
            "telephone_number": "563-652-2700",
            "fax_number": "563-652-2800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHWENKER",
        "first_name": "DONALD",
        "middle_name": "LYNN",
        "name_prefix": "Dr.",
        "credential": "D.C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "IA",
            "license": "06652",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS/BLUE SHIELD",
            "identifier": "36003",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AWHN/JOHN DEERE",
            "identifier": "79962",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0422477",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK SELECT",
            "identifier": "71-0953075",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MIDLANDS CHOICE",
            "identifier": "242107",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sukhmani Sarao, PHARM.D.
• Jessica Lea Schaefer, PHARMD
• Amanda Marie Schmidt, ARNP, FNP-C
• Julia M Schveiger, RN, IBCLC, RLC
• Mary Virginia Schwartz, LMHC
• Pamela Jean Severson, LMHC
• Shelby Lynn Shedenhelm, CCC-SLP
• Robert Gerard Skelley, O.D.
• Brittany Joan Skorek, LMSW
• Smiles on Main

• Chiropractor in Maquoketa, IA
• Providers in Maquoketa, IA by specialty
• Chiropractor in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.